Re: [CAD_CAM_EDM_DRO] Re: Just an idea

> Well, look at it this way. A decent power supply costs out at 50
> cents a watt. A 1HP peak motor would require a 1kW power supply @
> $500. If the motor is 48 VDC rated, then 38 cells @ $76 would be
> needed. Figuring an average power of 1/4 HP, a 250 Watt supply @ $125
> plus $76 for the battery would make it $200 total, for a savings of
> $300.

What about lead-acid gell cells? These run about $18.00 with 4AH rating,
have substantially longer life (no memory problem) than nicads and are less
prone to exploding under heavy loads. Ten security alarm back-up batteries
would yield 132V for $180. The gell cells don't seem to gas much either.

Doug